Finding the Third Proportional to 210,896 and 497,828

Step by Step Solution

1. Step 1: Write the proportion equation
   210,896 : 497,828 = 497,828 : x
2. Step 2: Convert to fraction form
   210,896/497,828 = 497,828/x
3. Step 3: Cross multiply
   210,896x = 497,828 × 497,828
4. Step 4: Simplify right side
   210,896x = 247,832,717,584
5. Step 5: Solve for x
   x = 247,832,717,584/210,896
6. Step 6: Final answer
   x = 1,175,141.86